Charles d



@fluiten glatte gntwt @ffice CHARLES. D. WRIGHTINGTON, OF FAIR HAVEN, A ND BENJAMIN P. RIDER,

' OE CHELSEA', MASSACHUSETTS.

Letters Patent No. 78,634, dated Jzme 2, 1868.

IMPEOVED BRICK-MACHINE.

T0 ALL WHOM IT MAY CON CERN:

Be it known that we, CHARLES D. Wnrenrruerou, of Fair Haven, in the county of Bristol, and BENJAMIN P. RIDER, of Chelsea, in the county of Suli'olk, and both in the State ofMass`achusetts, have invented certain new and useful Improvements in Brickl/Iachines; and we do hereby declare the following to be a full, clear, and exact description -of the same, reference being had to the .accompanying drawings, makingV a part of this specification, in which- Figure 1 represents a perspective view of the machine, and

Figures 2, 3, and 4 represent detached vie'ws of portions of the same, not distinctly seen in g. 1.

Similar letters of4 reference, where they occur in the separate gures, denote like parts of the machine, in all of the drawings.

Our invention relates, first, to the manner of operating the/screws that feed the clay through the hopper, as will be explained.

And finally, our invention relates to the carrying, pressing, and delivering-mechanism, and their timed motions and periods of rest. i

I To enable others skilled in the art to make and use our invention, we will proceed to describe the same with reference to the drawings. m

A represents the base, and B the frame for supporting the operative parts mounted thereon. C is a spurgear, driven by a'crank, pulley, and belt, in any of the well-known ways. This spur C turns a large gear-wheel, D, and the one, D, turns another gear, E, above it, so as to make a train of gears which have a constant motion. Upon the face of the gear E there is secureda rim, F, that has, upona portion of its perimeter, cogs G, and upon the other portion ofit a cam-ledge, II. Over the rim F, and upon the end of a. horizontal shaft, I, on top of the frame B, there is a small gear, J, the main portion of the perimeter of which is furnished with cogs, and a small portion with a blanlr, a, so lthat said gear J and the shaft I shall have an intermittent motion, remaining in a state of rest, whilst the blank portion of the rim F is moving against the blank a of the gear* Wheel J, except fora period of time, as will be stated. On the extreme endof the shaft I there is an arm,

K, 'which the cam-ledge II takes against as it comes around, and which, moving said arm and the shaft I, gives a slight rotation to the feeding-screws, and causes,l them to fill the moulds with clay whilst the mould-wheel is in motion, and gives a smooth surface to the clay in the tube.

On the shaft I are two bevel-gears, L L, which gearinto and turn two bevel-gears, M M, one on each of the shafts N N, on which the blades, arms, or screws are placed for working the clay in the hoppers O O, down through the tube b, igs. 3 and 4f,v and into the moulds I, 2, 3,14, in the mouldwheel P. The tube b, at the botttom of each of the hoppers, is rectangular, and is divided into four spaces, 5, 6, 7, 8, by the vertical knives c c c.

The clay is partially made into bricks by this rectangular tube, and its knives c, as two of its sides, form the sides ot' the two outer bricks of the series, and its other sides form the ends of all the bricks of the series. It is a mould, to avery great extent, and does so much towards 'shaping the bricks that very little pressure afterwards completes the operation.

The feeding-screws, it will b'c remembered, smooth the top ot tire clay in the tube, whilst the four sides of thetuhe cach aid in shaping the sides and ends of the bricks, so that, in fact, the clay passesrfrom the hopper into the moulds4 in the mould-wheel inthe shape and form of bricks, and are afterwards pressed into a solid and more complete form if any of them shouldlfail to be perfect and full at the rst operation.

The machine, as herein illustrated, is a double one, thatis, a series of bricks is made and delivered ,on opposite sides of the lnnouldswheel at the same time. We have four divisions of the tubes at the bottoms of the hoppers, Aund consequently make eight briclics at every halt' rotation of the mould-wheeL The mould-wheel? has four series of cogs, d, on t'sperimeter, end 'fonr blanks, c, between the series of cogs, the object being` to give the mould-wheel four stops or states oi' rest at every full rotation of it, it being doneas follows:

On the shaft of the first-moving spur-gear C, and inside of the frame, there is a small lbevel-pinion, that gears into the bevel-wheel Q, on the vertical shaft R, giving `both a continuous rotation. On the perimeter of the bevel-gear Q there is a segment of cogs, and a blank 'segment-f. The cogs take into and turn the mould- Wheel luntil the blankfeomes'opposite 'to one of the blanks e on the mould-Wheel, and so long as these blanks are in contact or opposite each other, though 4the wheelQ continues to revolve, the'mould-wheei is not only in a state of rest, but locked in -that condition, and so remains until the lcogs'on thel wheel Q come around and take into those on the mould-wheel, and give it another quarter rotation, when it again stops.

During the periods of -rest of-the mouldwheel, the followers or plungers 9, 10, 11,l 12, are brought down upon the partiallymade bricks in the moulds 1, 2,3, 4, and are further pressed and completed. The operation of the'plungers or fo'llowersis asfollows:`

The plun'gers arefastened on acro'ss-headS,'-whichl. moves up and Adown on guidefrodsg, there being a series of plungers, one for each'mould, andupon theends of the cross-head, so that they shall enter the moulds that are d iametricallyopposite each-,otherzon said mould-wheel', theother series of diametricailly oppol ilconcert, so as to harmonize all the movements;

site moulds,.when theiirstnaniedare in proper positioritor lthefplungers, beingl under the hoppen, hd ecew ilig -their charges. Y v f Onthe shaftR there is abevelLgear, ih, that has itj'two'fseries of cogs, z', and two blanks, j. ',lhese .i cogs gear into l' a bevelwheel, k, that has also upon it a blank, l, Asaid. wheel Ic being 'upon a hollow shaft, mir

which carries a cam or eccentric, T, iig. 2, and to ,this .eecente the rod U'is connected'by a sti-:ip or yoke, n.

The crossf-head S is secured to the top'ofth'e rod U, and by means of theeccentric, yoke, and mechanism just above described, said cross-head'and its Aseriesol plnng'ers are operated, they being timed in their action to suit theperiods of restan'd the periods' of'uiotiono'f vtheother parts of the .machine with which theyact in v 0n the shaft Rthere is also a bevel-wheel, o, that gears in t'o and turns another bevel-wheel, p, on the end of a shaft, q, that passes through ,the hollow' s haft'm, vand which shaftrg extends to the opposite'end of the machine, and has upon it there a c'o'gged gear, Z, thatturns two other coggedgears, V, (one only being seen, but both alike which gears V bring up the tables und-er the mould-wheel, against which the bricks are pressed by the plungers or followers, andai-so operate the'deliveringfappa'ratus that moves the finished bricks o on to a belt or other holding or con veying-device, to be taken away.

On the shafts W 'ofthe cogswheels V there is a. camlifter, X, which, when ,it comes in'. contact with the table Y, moves it (theitable) up ih contact withthe monldfwhel, and, by the shapey of the lifter, holds it there until the pressure is pnt on and the bricks, 'left upon said able, after which th'e table descends, and the shaft r, being turned by vits' arm s, which is done' b'y the pin ti the wheel V taking against said arm, the rocking motion of said shaft operates' the arms u u, which carry a'siveepingorstriking-board, o, and move the finished bricks fromthe table onto whatever is prepared to receivethem. t v

l' As the mechanism on the opposite side of thefmachiigffor pressing, receiving, and delivering the series of bricks made on that side, is the s'ame as that just above described, 'We havenot deemed it necessary to illustrate that arrangement induplicate.l f

Just above the followers or plungers, and between them and\the ends of the cross-head S, there is an oil or 1ubricatorbox,fw, infwhich eottonyvaste, sponge, or other absorbing material is placed, to hold oil or 'other lubricating-compound, and very small perforations in the bottom'of said oil-box allow the lubricatingmaterial to i'low or drip down upon the plungers to oil them, and cause them to work smoothly in the moulds Having thusV fully described our invention, what we claim therein as new, and desire to secure by Letters Patent, is-- o 1 The secondary motion given to the screwsbythe'eamdedge H and the arm K, in addition to their primary motion for'fseding down the clay into the forming-tube by the gear-wheels, `for the purpose'of smoothing the clay and finishing out the filling of the tube, substantially as described.

` Wealso claim, in combination with the mould-wheel P and pressing-followers 9, 10, 11, 12, the rising and falling table Y, under the mould-wheel, and the delivering-apparatus s, t, u, v, when arranged and timed in their .motions and periods of rest, to operate together substantially as described.

' oHAs. D. WRIGHTINGTQN,

BENJAMIN P. RIDER.

Witnesses:

JOSHUA STONE, C. W. CLIFFORD. 

